\begin{verbatim}
> a5 := a^n5;
> c5 := c^n5;
> a5^129;
1106532280219457618983939634726858708298
> c5;
1106532280219457618983939634726858708298
> a6 := a^n6;
> c6 := c^n6;
> a6^127;
809579285918008980133272648385832028198
> c6;
809579285918008980133272648385832028198
\end{verbatim}
